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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GPU HANG: ecode 8:2:0x0000000a, in X [5392], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=93232">93232</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>GPU HANG: ecode 8:2:0x0000000a, in X [5392], reason: Ring hung, action: reset
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mauro.decarolis@libero.it
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=120308" name="attach_120308" title="error">attachment 120308</a> <a href="attachment.cgi?id=120308&action=edit" title="error">[details]</a></span>
error

Reporting here as per dmesg instructions.
Error happens at boot time (100% reproducible).
HW is an ASUS f555 laptop with hybrid intel/AMD graphics (muxless), same as per
similar (same?) error already reported in <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BDW] GPU HANG: ecode 8:0:0x00201001 at boot in context init (render state batch)"
   href="show_bug.cgi?id=92326">bug #92326</a> (but with newer sw).

mauro@pedro ~ $ uname -a
Linux pedro 4.2.6-nrj-laptop-1rosa-x86_64 #1 SMP PREEMPT Sun Nov 22 17:54:44
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
mauro@pedro ~ $ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated
Graphics (rev 09)
04:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars
LE [Radeon HD 8530M / R5 M240] (rev ff)

libdrm version is 2.4.64</pre>
        </div>
      </p>
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